Report - Teachingbd · 9 + - 324 - 72x - + = 324 -72x 72x+ 144 -180 36 20 (Ans.) g. 14 C g D 45 0 60 C o D . i + 14y) : 5x+ 15y 245 x 4 3y 9 3x+2yž12 x, y 20 3x 12 = 52-2.5 ABC 18 15

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